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- Fix permission denied printed for auth zone probe random port nrs.

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git-svn-id: file:///svn/unbound/trunk@4769 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2018-07-03 13:58:49 +00:00
parent 82e1e3959f
commit 5d298ed474
2 changed files with 36 additions and 26 deletions
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1
doc/Changelog
View file

@ -1,6 +1,7 @@
3 July 2018: Wouter
- Better documentation for unblock-lan-zones and insecure-lan-zones
config statements.
- Fix permission denied printed for auth zone probe random port nrs.
2 July 2018: Wouter
- Fix checking for libhiredis printout in configure output.

61
services/outside_network.c
View file

@ -2192,39 +2192,48 @@ fd_for_dest(struct outside_network* outnet, struct sockaddr_storage* to_addr,
{
struct sockaddr_storage* addr;
socklen_t addrlen;
int i;
int try;
/* select interface */
if(addr_is_ip6(to_addr, to_addrlen)) {
if(outnet->num_ip6 == 0) {
char to[64];
addr_to_str(to_addr, to_addrlen, to, sizeof(to));
verbose(VERB_QUERY, "need ipv6 to send, but no ipv6 outgoing interfaces, for %s", to);
return -1;
}
i = ub_random_max(outnet->rnd, outnet->num_ip6);
addr = &outnet->ip6_ifs[i].addr;
addrlen = outnet->ip6_ifs[i].addrlen;
} else {
if(outnet->num_ip4 == 0) {
char to[64];
addr_to_str(to_addr, to_addrlen, to, sizeof(to));
verbose(VERB_QUERY, "need ipv4 to send, but no ipv4 outgoing interfaces, for %s", to);
return -1;
}
i = ub_random_max(outnet->rnd, outnet->num_ip4);
addr = &outnet->ip4_ifs[i].addr;
addrlen = outnet->ip4_ifs[i].addrlen;
}
int i, try, pnum;
struct port_if* pif;
/* create fd */
for(try = 0; try<1000; try++) {
int port = 0;
int freebind = 0;
int noproto = 0;
int inuse = 0;
int port = ub_random(outnet->rnd)&0xffff;
int fd = -1;
/* select interface */
if(addr_is_ip6(to_addr, to_addrlen)) {
if(outnet->num_ip6 == 0) {
char to[64];
addr_to_str(to_addr, to_addrlen, to, sizeof(to));
verbose(VERB_QUERY, "need ipv6 to send, but no ipv6 outgoing interfaces, for %s", to);
return -1;
}
i = ub_random_max(outnet->rnd, outnet->num_ip6);
pif = &outnet->ip6_ifs[i];
} else {
if(outnet->num_ip4 == 0) {
char to[64];
addr_to_str(to_addr, to_addrlen, to, sizeof(to));
verbose(VERB_QUERY, "need ipv4 to send, but no ipv4 outgoing interfaces, for %s", to);
return -1;
}
i = ub_random_max(outnet->rnd, outnet->num_ip4);
pif = &outnet->ip4_ifs[i];
}
addr = &pif->addr;
addrlen = pif->addrlen;
pnum = ub_random_max(outnet->rnd, pif->avail_total);
if(pnum < pif->inuse) {
/* port already open */
port = pif->out[pnum]->number;
} else {
/* unused ports in start part of array */
port = pif->avail_ports[pnum - pif->inuse];
}
if(addr_is_ip6(to_addr, to_addrlen)) {
struct sockaddr_in6 sa = *(struct sockaddr_in6*)addr;
sa.sin6_port = (in_port_t)htons((uint16_t)port);